Here are 4 simple 12V power supply circuits with output voltages around 12V. First power supply circuit is built with BD139, one zener diode and a few passive components. Each of the schematic is very ...

While troubleshooting the power supply of a 1970s Centurion system, [Usagi Electrics] came across a fascinating feature of these units: the ferroresonant, or constant voltage transformer (CVT). The ...

SAN JOSE, Calif. & SAN FRANCISCO--(BUSINESS WIRE)--Power Integrations (NASDAQ: POWI), the leader in high-voltage integrated circuits (IC)s for energy-efficient power conversion, and SnapMagic, a ...

This three-part series describes how to properly test a DC/DC power supply, and ensure that it works reliably over various operating conditions. This series is intended to provide the designer with a ...

Texas Instruments (TI) unveiled a series of advanced tools in WEBENCH Power Designer that provide experienced engineers extensive design control, analysis and trouble-shooting capability to create ...

The drive to improve efficiency in low to medium power ac-dc mains power supplies is continuous. To address this, Power Integrations has introduced the InnoSwitch3 range of offline isolated ac-dc ...

The PC power supply has been a standard of the junk box for the last couple of decades, and will probably continue to be for the foreseeable future. A product that is often built to a very high ...

Noise is a constant problem in power-supply design. While there are FCC limits on the electromagnetic interference (EMI) radiating out into the air as well as the conducted noise that your design ...

The article provides details on device types such as dc supplies, converters, transformers and protection devices used in ...

Have you got a dead power supply? The problem could be just a 50-cent fuse. Find out how to determine if a fuse is faulty, as well as how to replace it. So you’ve got a dead power supply and want to ...

SAN JOSE, Calif. & SAN FRANCISCO--(BUSINESS WIRE)-- Power Integrations (NASDAQ: POWI), the leader in high-voltage integrated circuits (IC)s for energy-efficient power conversion, and SnapMagic, a ...